search query: @author Bertold, N. / total: 1
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| title | year | author | ||
| 1. |
Wirtschaftsdienst
1993 : VOL. 73:8, p. 414-418 |
1993 | Bertold, N. |
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| title | year | author | ||
| 1. |
Wirtschaftsdienst
1993 : VOL. 73:8, p. 414-418 |
1993 | Bertold, N. |